Bone screw



FIG. 1 is a first perspective view of a bone screw in accordance with the present invention;

FIG. 2 is second perspective view of the bone screw of FIG. 1;

FIG. 3 is third perspective view of the bone screw of FIG. 1;

FIG. 4 is fourth perspective view of the bone screw of FIG. 1;

FIG. 5 is an elevation view of a first side of the bone screw of FIG. 1, wherein an opposite side view is a mirror image thereof;

FIG. 6 is an elevation view of a second side of the bone screw of FIG. 1, wherein an opposite side view is a mirror image thereof;

FIG. 7 is a plan view of a proximal end of the bone screw of FIG. 1; and,

FIG. 8 is a plan view of a distal end of the bone screw of FIG. 1.

The broken line shown is include for the purpose of illustrating unclaimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a bone screw, as shown and described herein. 